Guangzhou DSPPA Audio Co., Ltd.
Tel: 020-28346138
Fax: 020-81305947

DSP9329A IP Explosion-Proof Telephone with Loudspeaker and Warning Light


● As aluminum alloy material, it is formed by more than 1,000 tons of die-casting machine, with the characteristics of high density, light weight, cold resistance, anti-oxidation, anti-corrosion, anti-violent percussion, etc.;
● The handle is made of German Bayer ABS+PC alloy material, and adopts an integrated evacuated molding structure. Military-grade transmitter and receiver are selected internally, equipped with permanent magnets. It is featured by explosion-proof, waterproof, moisture-proof, dust-proof, anti-noise, cold-proof, frost-proof, and anti-violent percussion;
● The protection grade of the loudspeaker and the sound and light warning light reaches IP65, and the explosion-proof grade is Exd IIC T6, featuring waterproof, explosion-proof and moisture-proof, which can be used in the open air;

  • Introduction
  • Specification

DSP9329A Explosion-proof Sound and Light Amplifying Telephone supports the standard SIP protocol and can be effectively compatible with commonly used IPPBX and network dispatching platforms in the market. It is specifically designed to respond to environment with flammable and explosive gas or dust, such as petrol stations, oil fields, hydrogen stations, chemical plants, underground pipeline galleries and gas tanks. This telephone is suitable to be installed in various harsh environments as it is defined by explosion-proof, waterproof, moisture-proof, dust-proof, cold-proof, frost-resistant, high-temperature, and Oxidation, anti-corrosion, anti-violent percussion and other properties.



Product material

Aluminum alloy

Product color

Outdoor yellow

Protection level


Explosion-proof grade


Power supply

220V AC / 12V5A DC



SIP line

Maximum 2 channels

Network characteristics



In-band/RFC2833/SIP info


G.711(A/μ) / G.729A/B/AB / G.726 / iLBC / G.722/L16





SIP protocol

SIP 2.0

Speaker power

8Ω 20W

Speaker volume

≥ 110dB

Ambient temperature


Environment humidity


Installation method


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  • Tel:+86 020 37166520
  • Address:No.1 Xiahe Rd, Jianggao Town, Baiyun District, Guangzhou, Guangdong, China
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